Figure F49. Variolitic textures. A. Fine varioles in cryptocrystalline basalt (Thin Section 33; Sample 309-1256D-89R-1, 64–67 cm) (field of view [FOV] = 1.25 mm; cross-polarized light). B. Medium grain sized varioles in microcrystalline basalt (Thin Section 37; Sample 309-1256D-96R-1, 32–34 cm) (FOV = 5.0 mm; plane-polarized light).
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